Abstract out the app_label on test models

docs/api-guide/fields.md

+<a class="github" href="fields.py"></a>
+
+# Serializer fields
+
+> Flat is better than nested.
+>
+> &mdash; [The Zen of Python][cite]
+
+# Generic Fields
+
+## Field
+
+## ModelField
+
+# Typed Fields
+
+## BooleanField
+
+## CharField
+
+## EmailField
+
+## DateField
+
+## DateTimeField
+
+## IntegerField
+
+## FloatField
+
+# Relational Fields
+
+Relational fields are used to represent model relationships.
+
+## PrimaryKeyRelatedField
+
+## ManyPrimaryKeyRelatedField
+
+## HyperlinkedRelatedField
+
+## ManyHyperlinkedRelatedField
+
+[cite]: http://www.python.org/dev/peps/pep-0020/

rest_framework/tests/models.py

@@ -28,25 +28,22 @@ from django.db import models
 #             'pk': self.id
 #         })
 
-class Anchor(models.Model):
+class RestFrameworkModel(models.Model):
     """
-    A simple model to use as the target of relationships for other test models.
+    Base for test models that sets app_label, so they play nicely.
     """
-    text = models.CharField(max_length=100, default='anchor')
-
     class Meta:
         app_label = 'rest_framework'
+        abstract = True
 
 
-class BasicModel(models.Model):
-    text = models.CharField(max_length=100)
+class Anchor(RestFrameworkModel):
+    text = models.CharField(max_length=100, default='anchor')
 
-    class Meta:
-        app_label = 'rest_framework'
 
+class BasicModel(RestFrameworkModel):
+    text = models.CharField(max_length=100)
 
-class ManyToManyModel(models.Model):
-    rel = models.ManyToManyField(Anchor)
 
-    class Meta:
-        app_label = 'rest_framework'
+class ManyToManyModel(RestFrameworkModel):
+    rel = models.ManyToManyField(Anchor)